.container {
  max-width: 400px;
  margin: 0 auto;
  padding: 2rem;
}
form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
input {
  padding: 0.5rem;
  border: 1px solid #ddd;
}
button {
  padding: 0.75rem;
  background: #0070f3;
  color: white;
  border: none;
}
